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f09ff307c7
syzbot attempts to write a buffer with a large size to a sysfs entry with writes handled by handle_policy_update(), triggering a warning in kmalloc. Check the size specified for write buffers before allocating. Reported-by: syzbot+4eb7a741b3216020043a@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=4eb7a741b3216020043a Signed-off-by: Leo Stone <leocstone@gmail.com> [PM: subject tweak] Signed-off-by: Paul Moore <paul@paul-moore.com> |
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Kconfig | ||
lsm.c | ||
lsm.h | ||
Makefile | ||
securityfs.c |